Extpro DIY Assemble Toy Set Solar Powered Car Kit Science Educational Kit for Kids Students Learning by Doing: It's an educational toy set which is great for kids training their hand-on skills and creativity. Environmental Science Experiment: The small size car kit adopt solar powered, which is energy efficiency and environmental protection. DIY Assemble Toys: Learning educations when piece together with these toys. Add more fun of learning. The intelligence toys are helpful for kids to development of intelligence, if parents could join in the games with kid, that will be sweet memories for kids' childhood. Small Car Set: 2.3" x 1.5" ( 6 x 3.75 cm ); Fit kids over 6 years old. For Your Attention: solar panels should be oriented towards the sun. Easy to Build Kit Environment Friendly No Batteries Required Detailed Instructions Included Recommended for Kids over 6 Years Old A Fun Way To Learn, Learn By Playing Promote Children&#039;s Intellectual Development Perfect For Parents Enjoy Time With Childrens Improving Children&#039;s Hands-on Skills And Creativity Help Children Foster Environmental Protection Awareness 1 x Motor 1 x Pinion 1 x Big gear 1 x Screw Set 1 x Frame of car 1 x Solar Panels 2 x Axle 3 x Axle sleeve 4 x Small Angle 4 x Wheels